37 Roman Emperor Caligula accepted the titles of the Principate, entitled
to him by the Senate.
Paris was sacked by Viking raiders, probably under Ragnar Lodbrok, who
collected a huge ransom in exchange for leaving.
1515 St. Teresa of Ávila was
born. Teresa was a mystic, a reformer of the Carmelite order, and author of
spiritual literature. She was the first woman to be named a doctor of the